We have always payed higher prices for our products
We have been told for years: it is because of our out-of-the-way location, extra shipping, smaller market, goods need to be customized, yadda yadda yadda
Then we see cars manufactured in Australia being exported to USA and sold cheaper than they were here (Holden Monaro http://en.wikipedia.org/wiki/Pontiac_GTO [wikipedia.org]).
Digital music which requires no shipping, no packaging, no customization yet songs are dearer to purchase in Australia than overseas from the like